Control cabinet of a dental prophylaxis unit



FIG. 1 is a front perspective view of a control cabinet of a dental prophylaxis unit, showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof.

The broken line disclosure of the dental instruments in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a control cabinet of a dental prophylaxis unit, as shown and described. 